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cgroup: Use rcu_work instead of explicit rcu and work item

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Workqueue now has rcu_work.  Use it instead of open-coding rcu -> work
item bouncing.

Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Tejun Heo 2018-03-14 12:45:14 -07:00
parent 05f0fe6b74
commit 8f36aaec9c
2 changed files with 8 additions and 15 deletions
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2
include/linux/cgroup-defs.h
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@ -151,8 +151,8 @@ struct cgroup_subsys_state {
atomic_t online_cnt;
/* percpu_ref killing and RCU release */
struct rcu_head rcu_head;
struct work_struct destroy_work;
struct rcu_work destroy_rwork;
/*
* PI: the parent css. Placed here for cache proximity to following